I've finally finished this application. I've been working on it for a quite time and today I'm releasing the first public release (beta version). Its bascally a screen capture application, supporting five file formats and an automated naming and resizing algorithm. Here's the complete feature list:

Supports JPG, PNG, BMP, GIF and TIF

Quality control in JPG files

Automated naming and option to add date and time

Fullscreen capture or only active window

Automatic resizing if requested

Resizing filtering options

System tray support

Play sound when capturing

Support for third party themes

No installation, just extract the rar content

Multilanguage suport

Free

To view a picture of it go to the "Apps" section. To download, click on the image below (bugs can be reported using the email at the "Contact" section)